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The present review focuses on studies carried out by our group on the interaction of UV radiation with DNA. In particular, we examine the way that the energy acquired by DNA helices following direct absorption of UVC radiation is extended spatially and how its effects evolve during the time. These effects depend on the base sequence and can be revealed by the study of model helices. The experimental...
The investigation of model DNA helices using time-resolved absorption and fluorescence spectroscopy with UVB/UVC excitation knows currently an increasing interest due, in particular, to the use of femtosecond spectroscopy. The study of such complex and fragile systems presents specific difficulties which are not encountered in the experiments performed on the monomeric DNA units. They are related...
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